位相 いそう偏移 へんい変調 へんちょうじゃありませんでした
isō hen'ihenchōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 位相偏移変調

1. Was not phase-shift keying.; Wasn't phase-shift keying.

Past/Perfective
Negative
Polite
Terminal Form
Computing